Keep your fish tank the perfect temperature with this Deltatherm Aquarium Heater from Interpet. This brilliant device would be a reliable addition in any tank, keeping your fish healthy and happy. These heaters are extreme reliable due to their extra thickened safety glass and a plastic end cap for added safety. This heater comes with a two year guarantee for your peace of mind. Ideal for aquarium with the capacity of 135-270 litres (30-60 gallons) and length of 122cm (48 inches).